The Red Square Nebula
How did a round star create this square nebula?No one is quite sure.The round star, known as MWC 922 and possibly part of a multiple star system, appears at the center of the Red Square Nebula. The featured image combinesinfrared exposures from theHale Telescope onMt. Palomar inCalifornia, and theKeck-2 Telescope onMauna Kea inHawaii.
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